The study revealed where enrollment has declined most and where it has held steady:

South Dakota has the highest rate of private-sector employees enrolled in HDHPs for the second year in a row. Three-fourths of employees were enrolled in HDHPs. South Carolina (70.2%) and Utah (70.1%) follow, up significantly from the previous year.
Hawaii ranks last for the second year in a row, with just 12.7% of private-sector employees enrolled in HDHPs. It’s the only state with a rate below 30%. The District of Columbia (32.6%) and California (34%) round out the bottom three.
South Carolina saw the largest percentage point increase in private-sector employees enrolled in HDHPs over the previous year. It had a 12 percentage point increase in the rate of these employees enrolled in HDHPs, which was the only double-digit jump. Utah (9.5%) and Vermont (9.4%) follow.
The rate of private-sector employees enrolled in HDHPs in Montana fell by 20.9 percentage points, the biggest drop of any state. In a distant second, this rate fell 14.3 percentage points in Massachusetts, followed by Wisconsin (13.3%).

Instant Insights /

HDHP enrollment declines for second year in a row